Click "Menu"(カスタムメニュー) from the left side menu.
Click "Blog "(ブログ).
Click "Get started by writing your first blog post"(最初のブログ記事を投稿).
Write contents and click the eye icon. Click "Save"(保存) to post the page.
You can use setting for comments section.
You can specify category by filling in the category section.
List of blog title will appear on the first page of your website.
You can determine how many blog titles you want to show.
You can select categories you want to show.